<mat-card fxLayout="row" fxLayoutAlign="start start" fxLayoutGap="8px">
  <mat-nav-list >
    <a mat-list-item routerLink="base" routerLinkActive="list-item-link-active">基本设置</a>
    <a mat-list-item routerLink="security" routerLinkActive="list-item-link-active">安全设置</a>
  </mat-nav-list>
  <div class="content" fxFlex="1 1 auto">
    <router-outlet></router-outlet>
  </div>
</mat-card>

